M4.3 earthquake 79 km NNE of Neiafu, Tonga
A magnitude 4.3 earthquake struck 79 km NNE of Neiafu, Tonga on Tue, Dec 7, 2021, 10:50 PM GMT+13 (09:50 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.8 40 km ENE of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 2021-12-07 09:50:41 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 18.038° S, 173.586° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 11.5 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.22
- Depth from
- Operator assigned
- Station coverage gap
- 219°, poorly surrounded by stations
- Stations used
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.558 km N of Neiafu, Tonga · 1743 days ago · 10 km deep · 48 km away
- 4.840 km ENE of Neiafu, Tonga · 1737 days ago · 29 km deep · 60 km away
- 4.668 km NNW of Neiafu, Tonga · 1732 days ago · 85 km deep · 68 km away
- 4.270 km NNW of Neiafu, Tonga · 1729 days ago · 138 km deep · 79 km away
- 4.643 km NE of Neiafu, Tonga · 1723 days ago · 35 km deep · 37 km away
- 4.6137 km N of Neiafu, Tonga · 1718 days ago · 109 km deep · 89 km away · felt by 1
- 4.892 km NE of Neiafu, Tonga · 1712 days ago · 35 km deep · 14 km away
- 4.2101 km NNW of Neiafu, Tonga · 1711 days ago · 164 km deep · 72 km away
Before
- 4.5103 km NNW of Neiafu, Tonga · 1760 days ago · 80 km deep · 85 km away
- 4.6114 km NE of Neiafu, Tonga · 1764 days ago · 10 km deep · 38 km away
- 4.4155 km NE of Neiafu, Tonga · 1773 days ago · 10 km deep · 86 km away
- 4.4137 km N of Neiafu, Tonga · 1780 days ago · 76 km deep · 80 km away
- 4.285 km NNW of Neiafu, Tonga · 1787 days ago · 67 km deep · 78 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000gb7p. Read Wed, Sep 30, 2026, 6:58 AM UTC.